Conveyer.



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www i C. H. KNAPP.

GONVTEYEB.

APPLICATION FILED MAY 11. 190e.

.Patented oct.6,1908.

allowmp UNI'IEDv STATES PATENT onirica- CHARLES H.- KNAPP, OF CHICAGO, ILLINOIS.

coNvEYER.

Original application filed January 6, 1908,

Specification of Letters Patent.

Patented ont. 6, 1908.

To aZZ'whom it may concern:

I Be it known that I, CHARLES H. KNAPP, a citizen of the United States, residing at Chicago,'in the county of Cook and State of Illinois, have invented certain new and useful Improvementsin Conveyers; and I do declare the following to be a full, clear, `and exact'description of the invention, such as will enable others skilled in the art to which it app'ertains to make and use the same.

My invention relatesv to conveyeis and especiallyto that ty e used in connection with hay rakes and e evators.

` This Ainvention is the division of my copendi'ng application, Serial No. 409,509 led anuary 6, 1908, and especially relates to the conveyor mechanism shown therein, whose object is to carry the hay to the point of discharge and forcibly discharge it therefrom so that no material will cling to the tine of the conveyer and'be carried back to its starting point. s

A further object of the invention is the'provision of means for resiliently supporting the tines, whereby rigid obstructions will be prevented from breaking them.

With these and other objects in view, the invention consists of certain novel features of construction,` combination and arrangement of parts, as will be more fully described and particularly pointed out in the appended claims. l

In the drawings, Figure 1 is aside elevation of the conveyer sup orted upon wheels and with its forward en held elevated by a truss member; Fig. 2 is a longitudinal sectional view thereof; Fig. 3 is -a detail top plan view; and Fig. 4' is an enlarged sec-yl tional view taken on the line 4--4-of Fig. 3.'

The elevator or conveyer comprises side members 1 which are connected at ltheir lower ends by cross-slats 2, to which the hinges 4 are connected so as to support the device upon the arms 5. These arms have a pair of rearwardly extending brackets in which the supporting axle 6 is journaled, and at their forward ends are rovided'apairof uprights or standards 7, w ich are connected to the arms and adjustably connected to the side members by means of set screws 8 carried by vthe side members and adapted to enter any one of a plurality of apertures 9,

l formed in the upper part of the standards. Theupper end of the side members are provided with a pair of adjustable brackets 10, l inwhich the sprocket shaft 11 is journaled and these brackets' are preferably slotted to receive a pair of set screws 12. Secured to the sprocket shaft 11 is a pair of separated sprocket wheels 13, which correspond with4 a pair of similar sprocket wheels 1 4 carried upon the main supporting axle 6. These sprocket wheels receive the chains 15, an'd are driven in any suitable manner, here shown as through the main driving axle 6. The chains are connected by suitable crossslatsI 164 which have connected therein suitable stub shafts 17 which pass through the tending arms 18, which are attached on one side to one ofthe links of the chain by a suitable inflexible connection thereto, such as a chain 19 and on the other side to a link in the chain by a spring 20. These 'slats carry suitably disposed tines 21 which project upwardly from the slats and suffice to hold the hay u on the conveyer, as will be hereinafter descri ed.

Projecting from the outer end of each side member 1 are suitably curved arms 22, to over hang the arms 18, and are adapted to engage them to retract and turn the slats against the tension of the springs, as is shown in Fig. 1. When the arms 18 are released from the guiding arms 22, the slats 16 are snapped violently to normal position by the action of the springs 20, thus throwing any hay which may have become stuck to the -tines 21 into a receptacle whichis placed for receiving the'same. Thus constructing the device, 1t will be seen that no excess hay by will be passed over by reason of the flexible connection between the arms 18 and the conveyer chain. From the foregoing description, taken in connection with the accompanying drawings, the construction and operation of the invention will Vbe readily understood without requiring a more extended explanation.

'Various changes in the form, proportion bel resorted to without departing from the adheres to the tines of the conveyer and that any obstruction which is encountered thereand the minor details of construction maylinks of the chain and carry upwardl f excarried thereby,

the material carried bv th in the conveyer ehalns,

ofI this invention as tlefined in the appended -tlclailns.

` Having thnsfdescribed andascertalned the 5 nature of my invention, what I claim as new and desire to secure by.LettersPatent, isz- 1. A device of the class described comprising an endless conveyer, grasping devices means to throw said devices out of normal position, and means to forcibly return them to normal position to disengage e .conveyen 2. A device of the class described comprising an endless conveyer, cross slats carried thereby, means for axially rotating said slats out of normal position, and means to snap said slats to normal position to forcibly disengage the material carried by the conveyer. f i

3. A. device of 'the class described comprisg an endless conveyer, cross slats j ournaled a rigid arm project.- mg from each of said slats, flexible connections between said .arms and the conveyer chains, means to rotate said slats to throw them out of normal, and means connected to ,the arms and `chains'.for snapping the slats 'back to normal whereby the material carried by the conveyer is forcibly disengaged.

4, In'a deviceof the class descrlbed, a conveyer, cross slats carried thereby, stub shafts secured to the slats and j ournaled in the con- .veyer chains, a flexible connection between the conveyer chains and the stub shafts, and

a resilient connection between the stub shafts and the conveyor chains which permits axial rotation of the slats.

5. In a device of the class described, a con veyer, cross slats carried thereby, stub shafts secured to the slats and j ournaled in the conveyer chains, a flexible connection between the conveyer chains and the stub shafts, a

resilient connection between the stub shafts -and the conveyer chams which permits axial rotation o f the. sl arms `adapted to said. slats.

6. In a device ofthe class described, a conveyer, cross slats carried thereby. stub shafts ats, and a pair of curved forcibly engage and rotate carried bythe slats and journaled in the conveyer chains, arms carried b'v and pro'ecting transverselyfrom .said sha ts, flexiblle connections between said arms land the chains, springs connectedat opposite ends' to the arms and chains respectively, means to en- 'gage the arms to rotate the sla-ts against the tension ofl said springs whereby when the arms are released the springs will snap the slats back to normal to forcibly disengage the material thereon.

In testimony whereof lI have hereunto set my hand in presence of two subscribing witnesses.

JOHN M. MANGA, H. D. MACLEAR. 

